Permit GraphShortlistSan Francisco building permits since 2000

Permit 202511240304

1420 Clayton St

replace fire alarm system to meet sf/ca codes and add lf horns in units and add wireless radio monitor

Outcome
Completed (city status: complete, May 7, 2026)
Filed
Nov 24, 2025
Permit issued
Mar 12, 2026
Final sign-off
May 7, 2026
Declared cost
$38,000
Building use
apartments
Neighborhood
Castro/Upper Market
Contractor
Byington Electric Corp (license 253479)
Property
All permits at this address (block 2704, lot 041)

Everyone on the permit

The parties and license numbers written on the permit, as the city lists them; not a check with any state board. The person who paid the fee and the project contact are not shown.

Contractor
Byington Electric Corp (license 253479)
Authorized agent-others
Zach Shaon, Byington Electric (no license listed), applicant